I see the following when I go to the demo page for the indent plugin:

Love the project - thanks for the work!
AH. I tested it in local in HTTP... did not see that.
Will be fixed on next doc push, maybe soon ^^'
Fixed!
Thank you for the report :)
That was fast - thanks!
Most helpful comment
AH. I tested it in local in HTTP... did not see that.
Will be fixed on next doc push, maybe soon ^^'